Home / 110,124.60-151,996.14-72,402.36

Finding the Fourth Proportional to 110,124.60, 151,996.14 and 72,402.36

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Solution

The fourth proportional to 110,124.60, 151,996.14 and 72,402.36 is: 99,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,124.60 : 151,996.14 = 72,402.36 : x
  2. Step 2: Convert to fraction form
    110,124.60/151,996.14 = 72,402.36/x
  3. Step 3: Cross multiply
    110,124.60x = 151,996.14 × 72,402.36
  4. Step 4: Simplify right side
    110,124.60x = 11,004,879,246.89
  5. Step 5: Solve for x
    x = 11,004,879,246.89/110,124.60
  6. Step 6: Final answer
    x = 99,931.16

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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.