Home / 102,225.71-153,369.93-52,340.83

Finding the Fourth Proportional to 102,225.71, 153,369.93 and 52,340.83

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Solution

The fourth proportional to 102,225.71, 153,369.93 and 52,340.83 is: 78,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,225.71 : 153,369.93 = 52,340.83 : x
  2. Step 2: Convert to fraction form
    102,225.71/153,369.93 = 52,340.83/x
  3. Step 3: Cross multiply
    102,225.71x = 153,369.93 × 52,340.83
  4. Step 4: Simplify right side
    102,225.71x = 8,027,508,666.39
  5. Step 5: Solve for x
    x = 8,027,508,666.39/102,225.71
  6. Step 6: Final answer
    x = 78,527.30

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1.5x scale

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.