Home / 153,191.34-211,508.19-112,909.74

Finding the Fourth Proportional to 153,191.34, 211,508.19 and 112,909.74

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Solution

The fourth proportional to 153,191.34, 211,508.19 and 112,909.74 is: 155,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,191.34 : 211,508.19 = 112,909.74 : x
  2. Step 2: Convert to fraction form
    153,191.34/211,508.19 = 112,909.74/x
  3. Step 3: Cross multiply
    153,191.34x = 211,508.19 × 112,909.74
  4. Step 4: Simplify right side
    153,191.34x = 23,881,334,740.77
  5. Step 5: Solve for x
    x = 23,881,334,740.77/153,191.34
  6. Step 6: Final answer
    x = 155,892.20

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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.