Home / 103,552.36-155,095.18-72,526.12

Finding the Fourth Proportional to 103,552.36, 155,095.18 and 72,526.12

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Solution

The fourth proportional to 103,552.36, 155,095.18 and 72,526.12 is: 108,625.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,552.36 : 155,095.18 = 72,526.12 : x
  2. Step 2: Convert to fraction form
    103,552.36/155,095.18 = 72,526.12/x
  3. Step 3: Cross multiply
    103,552.36x = 155,095.18 × 72,526.12
  4. Step 4: Simplify right side
    103,552.36x = 11,248,451,636.10
  5. Step 5: Solve for x
    x = 11,248,451,636.10/103,552.36
  6. Step 6: Final answer
    x = 108,625.74

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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.