Home / 148,817.28-205,421.76-98,532.48

Finding the Fourth Proportional to 148,817.28, 205,421.76 and 98,532.48

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Solution

The fourth proportional to 148,817.28, 205,421.76 and 98,532.48 is: 136,010.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,817.28 : 205,421.76 = 98,532.48 : x
  2. Step 2: Convert to fraction form
    148,817.28/205,421.76 = 98,532.48/x
  3. Step 3: Cross multiply
    148,817.28x = 205,421.76 × 98,532.48
  4. Step 4: Simplify right side
    148,817.28x = 20,240,715,458.76
  5. Step 5: Solve for x
    x = 20,240,715,458.76/148,817.28
  6. Step 6: Final answer
    x = 136,010.52

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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.