Home / 207,931.24-286,945.12-112,437.93

Finding the Fourth Proportional to 207,931.24, 286,945.12 and 112,437.93

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Solution

The fourth proportional to 207,931.24, 286,945.12 and 112,437.93 is: 155,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,931.24 : 286,945.12 = 112,437.93 : x
  2. Step 2: Convert to fraction form
    207,931.24/286,945.12 = 112,437.93/x
  3. Step 3: Cross multiply
    207,931.24x = 286,945.12 × 112,437.93
  4. Step 4: Simplify right side
    207,931.24x = 32,263,514,754.21
  5. Step 5: Solve for x
    x = 32,263,514,754.21/207,931.24
  6. Step 6: Final answer
    x = 155,164.35

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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.