Home / 105,502.20-145,660.98-94,152.24

Finding the Fourth Proportional to 105,502.20, 145,660.98 and 94,152.24

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Solution

The fourth proportional to 105,502.20, 145,660.98 and 94,152.24 is: 129,990.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,502.20 : 145,660.98 = 94,152.24 : x
  2. Step 2: Convert to fraction form
    105,502.20/145,660.98 = 94,152.24/x
  3. Step 3: Cross multiply
    105,502.20x = 145,660.98 × 94,152.24
  4. Step 4: Simplify right side
    105,502.20x = 13,714,307,547.60
  5. Step 5: Solve for x
    x = 13,714,307,547.60/105,502.20
  6. Step 6: Final answer
    x = 129,990.73

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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.