Home / 197,545.15-272,624.65-111,518.71

Finding the Fourth Proportional to 197,545.15, 272,624.65 and 111,518.71

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Solution

The fourth proportional to 197,545.15, 272,624.65 and 111,518.71 is: 153,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,545.15 : 272,624.65 = 111,518.71 : x
  2. Step 2: Convert to fraction form
    197,545.15/272,624.65 = 111,518.71/x
  3. Step 3: Cross multiply
    197,545.15x = 272,624.65 × 111,518.71
  4. Step 4: Simplify right side
    197,545.15x = 30,402,748,600.64
  5. Step 5: Solve for x
    x = 30,402,748,600.64/197,545.15
  6. Step 6: Final answer
    x = 153,902.78

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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.