Home / 136,296.27-187,684.43-97,988.40

Finding the Fourth Proportional to 136,296.27, 187,684.43 and 97,988.40

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Solution

The fourth proportional to 136,296.27, 187,684.43 and 97,988.40 is: 134,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,296.27 : 187,684.43 = 97,988.40 : x
  2. Step 2: Convert to fraction form
    136,296.27/187,684.43 = 97,988.40/x
  3. Step 3: Cross multiply
    136,296.27x = 187,684.43 × 97,988.40
  4. Step 4: Simplify right side
    136,296.27x = 18,390,896,510.67
  5. Step 5: Solve for x
    x = 18,390,896,510.67/136,296.27
  6. Step 6: Final answer
    x = 134,933.23

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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.