Home / 238,101.13-328,583.62-130,681.16

Finding the Fourth Proportional to 238,101.13, 328,583.62 and 130,681.16

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Solution

The fourth proportional to 238,101.13, 328,583.62 and 130,681.16 is: 180,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,101.13 : 328,583.62 = 130,681.16 : x
  2. Step 2: Convert to fraction form
    238,101.13/328,583.62 = 130,681.16/x
  3. Step 3: Cross multiply
    238,101.13x = 328,583.62 × 130,681.16
  4. Step 4: Simplify right side
    238,101.13x = 42,939,688,618.60
  5. Step 5: Solve for x
    x = 42,939,688,618.60/238,101.13
  6. Step 6: Final answer
    x = 180,342.23

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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.