Home / 144,221.60-216,332.40-94,455.20

Finding the Fourth Proportional to 144,221.60, 216,332.40 and 94,455.20

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Solution

The fourth proportional to 144,221.60, 216,332.40 and 94,455.20 is: 141,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,221.60 : 216,332.40 = 94,455.20 : x
  2. Step 2: Convert to fraction form
    144,221.60/216,332.40 = 94,455.20/x
  3. Step 3: Cross multiply
    144,221.60x = 216,332.40 × 94,455.20
  4. Step 4: Simplify right side
    144,221.60x = 20,433,720,108.48
  5. Step 5: Solve for x
    x = 20,433,720,108.48/144,221.60
  6. Step 6: Final answer
    x = 141,682.80

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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.