Home / 152,221.68-228,070.08-118,499.76

Finding the Fourth Proportional to 152,221.68, 228,070.08 and 118,499.76

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Solution

The fourth proportional to 152,221.68, 228,070.08 and 118,499.76 is: 177,545.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,221.68 : 228,070.08 = 118,499.76 : x
  2. Step 2: Convert to fraction form
    152,221.68/228,070.08 = 118,499.76/x
  3. Step 3: Cross multiply
    152,221.68x = 228,070.08 × 118,499.76
  4. Step 4: Simplify right side
    152,221.68x = 27,026,249,743.18
  5. Step 5: Solve for x
    x = 27,026,249,743.18/152,221.68
  6. Step 6: Final answer
    x = 177,545.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.