Home / 212,957.39-293,726.87-144,853.45

Finding the Fourth Proportional to 212,957.39, 293,726.87 and 144,853.45

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Solution

The fourth proportional to 212,957.39, 293,726.87 and 144,853.45 is: 199,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,957.39 : 293,726.87 = 144,853.45 : x
  2. Step 2: Convert to fraction form
    212,957.39/293,726.87 = 144,853.45/x
  3. Step 3: Cross multiply
    212,957.39x = 293,726.87 × 144,853.45
  4. Step 4: Simplify right side
    212,957.39x = 42,547,350,477.20
  5. Step 5: Solve for x
    x = 42,547,350,477.20/212,957.39
  6. Step 6: Final answer
    x = 199,792.79

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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.