Home / 116,027.42-160,146.88-71,289.50

Finding the Fourth Proportional to 116,027.42, 160,146.88 and 71,289.50

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Solution

The fourth proportional to 116,027.42, 160,146.88 and 71,289.50 is: 98,397.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,027.42 : 160,146.88 = 71,289.50 : x
  2. Step 2: Convert to fraction form
    116,027.42/160,146.88 = 71,289.50/x
  3. Step 3: Cross multiply
    116,027.42x = 160,146.88 × 71,289.50
  4. Step 4: Simplify right side
    116,027.42x = 11,416,791,001.76
  5. Step 5: Solve for x
    x = 11,416,791,001.76/116,027.42
  6. Step 6: Final answer
    x = 98,397.35

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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.