Home / 157,091.68-216,585.64-101,803.24

Finding the Fourth Proportional to 157,091.68, 216,585.64 and 101,803.24

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Solution

The fourth proportional to 157,091.68, 216,585.64 and 101,803.24 is: 140,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,091.68 : 216,585.64 = 101,803.24 : x
  2. Step 2: Convert to fraction form
    157,091.68/216,585.64 = 101,803.24/x
  3. Step 3: Cross multiply
    157,091.68x = 216,585.64 × 101,803.24
  4. Step 4: Simplify right side
    157,091.68x = 22,049,119,889.47
  5. Step 5: Solve for x
    x = 22,049,119,889.47/157,091.68
  6. Step 6: Final answer
    x = 140,358.29

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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.