Home / 145,244.12-200,457.06-81,586.76

Finding the Fourth Proportional to 145,244.12, 200,457.06 and 81,586.76

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Solution

The fourth proportional to 145,244.12, 200,457.06 and 81,586.76 is: 112,601.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,244.12 : 200,457.06 = 81,586.76 : x
  2. Step 2: Convert to fraction form
    145,244.12/200,457.06 = 81,586.76/x
  3. Step 3: Cross multiply
    145,244.12x = 200,457.06 × 81,586.76
  4. Step 4: Simplify right side
    145,244.12x = 16,354,642,044.53
  5. Step 5: Solve for x
    x = 16,354,642,044.53/145,244.12
  6. Step 6: Final answer
    x = 112,601.06

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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.