Home / 157,077.46-216,897.69-145,680.58

Finding the Fourth Proportional to 157,077.46, 216,897.69 and 145,680.58

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Solution

The fourth proportional to 157,077.46, 216,897.69 and 145,680.58 is: 201,160.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,077.46 : 216,897.69 = 145,680.58 : x
  2. Step 2: Convert to fraction form
    157,077.46/216,897.69 = 145,680.58/x
  3. Step 3: Cross multiply
    157,077.46x = 216,897.69 × 145,680.58
  4. Step 4: Simplify right side
    157,077.46x = 31,597,781,279.86
  5. Step 5: Solve for x
    x = 31,597,781,279.86/157,077.46
  6. Step 6: Final answer
    x = 201,160.51

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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.