Home / 207,898.18-286,899.90-112,404.88

Finding the Fourth Proportional to 207,898.18, 286,899.90 and 112,404.88

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Solution

The fourth proportional to 207,898.18, 286,899.90 and 112,404.88 is: 155,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,898.18 : 286,899.90 = 112,404.88 : x
  2. Step 2: Convert to fraction form
    207,898.18/286,899.90 = 112,404.88/x
  3. Step 3: Cross multiply
    207,898.18x = 286,899.90 × 112,404.88
  4. Step 4: Simplify right side
    207,898.18x = 32,248,948,831.51
  5. Step 5: Solve for x
    x = 32,248,948,831.51/207,898.18
  6. Step 6: Final answer
    x = 155,118.96

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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.