Home / 157,529.86-217,384.65-85,908.58

Finding the Fourth Proportional to 157,529.86, 217,384.65 and 85,908.58

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Solution

The fourth proportional to 157,529.86, 217,384.65 and 85,908.58 is: 118,550.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,529.86 : 217,384.65 = 85,908.58 : x
  2. Step 2: Convert to fraction form
    157,529.86/217,384.65 = 85,908.58/x
  3. Step 3: Cross multiply
    157,529.86x = 217,384.65 × 85,908.58
  4. Step 4: Simplify right side
    157,529.86x = 18,675,206,595.30
  5. Step 5: Solve for x
    x = 18,675,206,595.30/157,529.86
  6. Step 6: Final answer
    x = 118,550.26

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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.