Home / 157,640.74-236,554.54-147,666.43

Finding the Fourth Proportional to 157,640.74, 236,554.54 and 147,666.43

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Solution

The fourth proportional to 157,640.74, 236,554.54 and 147,666.43 is: 221,587.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,640.74 : 236,554.54 = 147,666.43 : x
  2. Step 2: Convert to fraction form
    157,640.74/236,554.54 = 147,666.43/x
  3. Step 3: Cross multiply
    157,640.74x = 236,554.54 × 147,666.43
  4. Step 4: Simplify right side
    157,640.74x = 34,931,164,223.62
  5. Step 5: Solve for x
    x = 34,931,164,223.62/157,640.74
  6. Step 6: Final answer
    x = 221,587.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.