Home / 188,588.18-260,252.22-102,547.20

Finding the Fourth Proportional to 188,588.18, 260,252.22 and 102,547.20

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Solution

The fourth proportional to 188,588.18, 260,252.22 and 102,547.20 is: 141,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,588.18 : 260,252.22 = 102,547.20 : x
  2. Step 2: Convert to fraction form
    188,588.18/260,252.22 = 102,547.20/x
  3. Step 3: Cross multiply
    188,588.18x = 260,252.22 × 102,547.20
  4. Step 4: Simplify right side
    188,588.18x = 26,688,136,454.78
  5. Step 5: Solve for x
    x = 26,688,136,454.78/188,588.18
  6. Step 6: Final answer
    x = 141,515.43

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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.