Home / 130,416.40-195,624.60-60,432.40

Finding the Fourth Proportional to 130,416.40, 195,624.60 and 60,432.40

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Solution

The fourth proportional to 130,416.40, 195,624.60 and 60,432.40 is: 90,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,416.40 : 195,624.60 = 60,432.40 : x
  2. Step 2: Convert to fraction form
    130,416.40/195,624.60 = 60,432.40/x
  3. Step 3: Cross multiply
    130,416.40x = 195,624.60 × 60,432.40
  4. Step 4: Simplify right side
    130,416.40x = 11,822,064,077.04
  5. Step 5: Solve for x
    x = 11,822,064,077.04/130,416.40
  6. Step 6: Final answer
    x = 90,648.60

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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.