Home / 144,428.45-199,244.10-93,457.66

Finding the Fourth Proportional to 144,428.45, 199,244.10 and 93,457.66

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Solution

The fourth proportional to 144,428.45, 199,244.10 and 93,457.66 is: 128,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,428.45 : 199,244.10 = 93,457.66 : x
  2. Step 2: Convert to fraction form
    144,428.45/199,244.10 = 93,457.66/x
  3. Step 3: Cross multiply
    144,428.45x = 199,244.10 × 93,457.66
  4. Step 4: Simplify right side
    144,428.45x = 18,620,887,207.16
  5. Step 5: Solve for x
    x = 18,620,887,207.16/144,428.45
  6. Step 6: Final answer
    x = 128,928.11

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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.