Home / 127,789.01-176,350.05-70,430.42

Finding the Fourth Proportional to 127,789.01, 176,350.05 and 70,430.42

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Solution

The fourth proportional to 127,789.01, 176,350.05 and 70,430.42 is: 97,194.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,789.01 : 176,350.05 = 70,430.42 : x
  2. Step 2: Convert to fraction form
    127,789.01/176,350.05 = 70,430.42/x
  3. Step 3: Cross multiply
    127,789.01x = 176,350.05 × 70,430.42
  4. Step 4: Simplify right side
    127,789.01x = 12,420,407,206.77
  5. Step 5: Solve for x
    x = 12,420,407,206.77/127,789.01
  6. Step 6: Final answer
    x = 97,194.65

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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.