Home / 189,136.16-261,006.20-103,095.14

Finding the Fourth Proportional to 189,136.16, 261,006.20 and 103,095.14

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Solution

The fourth proportional to 189,136.16, 261,006.20 and 103,095.14 is: 142,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,136.16 : 261,006.20 = 103,095.14 : x
  2. Step 2: Convert to fraction form
    189,136.16/261,006.20 = 103,095.14/x
  3. Step 3: Cross multiply
    189,136.16x = 261,006.20 × 103,095.14
  4. Step 4: Simplify right side
    189,136.16x = 26,908,468,909.36
  5. Step 5: Solve for x
    x = 26,908,468,909.36/189,136.16
  6. Step 6: Final answer
    x = 142,270.36

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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.