Home / 157,554.86-217,428.66-85,937.45

Finding the Fourth Proportional to 157,554.86, 217,428.66 and 85,937.45

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Solution

The fourth proportional to 157,554.86, 217,428.66 and 85,937.45 is: 118,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,554.86 : 217,428.66 = 85,937.45 : x
  2. Step 2: Convert to fraction form
    157,554.86/217,428.66 = 85,937.45/x
  3. Step 3: Cross multiply
    157,554.86x = 217,428.66 × 85,937.45
  4. Step 4: Simplify right side
    157,554.86x = 18,685,263,510.17
  5. Step 5: Solve for x
    x = 18,685,263,510.17/157,554.86
  6. Step 6: Final answer
    x = 118,595.29

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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.