Home / 238,154.16-328,681.08-137,552.88

Finding the Fourth Proportional to 238,154.16, 328,681.08 and 137,552.88

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Solution

The fourth proportional to 238,154.16, 328,681.08 and 137,552.88 is: 189,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,154.16 : 328,681.08 = 137,552.88 : x
  2. Step 2: Convert to fraction form
    238,154.16/328,681.08 = 137,552.88/x
  3. Step 3: Cross multiply
    238,154.16x = 328,681.08 × 137,552.88
  4. Step 4: Simplify right side
    238,154.16x = 45,211,029,155.51
  5. Step 5: Solve for x
    x = 45,211,029,155.51/238,154.16
  6. Step 6: Final answer
    x = 189,839.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.