Home / 99,002.40-148,503.60-98,346.30

Finding the Fourth Proportional to 99,002.40, 148,503.60 and 98,346.30

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Solution

The fourth proportional to 99,002.40, 148,503.60 and 98,346.30 is: 147,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,002.40 : 148,503.60 = 98,346.30 : x
  2. Step 2: Convert to fraction form
    99,002.40/148,503.60 = 98,346.30/x
  3. Step 3: Cross multiply
    99,002.40x = 148,503.60 × 98,346.30
  4. Step 4: Simplify right side
    99,002.40x = 14,604,779,596.68
  5. Step 5: Solve for x
    x = 14,604,779,596.68/99,002.40
  6. Step 6: Final answer
    x = 147,519.45

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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.