Home / 186,019.11-256,705.08-101,136.15

Finding the Fourth Proportional to 186,019.11, 256,705.08 and 101,136.15

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Solution

The fourth proportional to 186,019.11, 256,705.08 and 101,136.15 is: 139,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,019.11 : 256,705.08 = 101,136.15 : x
  2. Step 2: Convert to fraction form
    186,019.11/256,705.08 = 101,136.15/x
  3. Step 3: Cross multiply
    186,019.11x = 256,705.08 × 101,136.15
  4. Step 4: Simplify right side
    186,019.11x = 25,962,163,476.64
  5. Step 5: Solve for x
    x = 25,962,163,476.64/186,019.11
  6. Step 6: Final answer
    x = 139,567.18

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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.