Home / 97,188.20-145,782.30-65,695.40

Finding the Fourth Proportional to 97,188.20, 145,782.30 and 65,695.40

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Solution

The fourth proportional to 97,188.20, 145,782.30 and 65,695.40 is: 98,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,188.20 : 145,782.30 = 65,695.40 : x
  2. Step 2: Convert to fraction form
    97,188.20/145,782.30 = 65,695.40/x
  3. Step 3: Cross multiply
    97,188.20x = 145,782.30 × 65,695.40
  4. Step 4: Simplify right side
    97,188.20x = 9,577,226,511.42
  5. Step 5: Solve for x
    x = 9,577,226,511.42/97,188.20
  6. Step 6: Final answer
    x = 98,543.10

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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.