Home / 129,407.20-194,045.16-59,226.40

Finding the Fourth Proportional to 129,407.20, 194,045.16 and 59,226.40

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Solution

The fourth proportional to 129,407.20, 194,045.16 and 59,226.40 is: 88,809.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,407.20 : 194,045.16 = 59,226.40 : x
  2. Step 2: Convert to fraction form
    129,407.20/194,045.16 = 59,226.40/x
  3. Step 3: Cross multiply
    129,407.20x = 194,045.16 × 59,226.40
  4. Step 4: Simplify right side
    129,407.20x = 11,492,596,264.22
  5. Step 5: Solve for x
    x = 11,492,596,264.22/129,407.20
  6. Step 6: Final answer
    x = 88,809.56

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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.