Home / 188,421.40-282,545.70-83,186.20

Finding the Fourth Proportional to 188,421.40, 282,545.70 and 83,186.20

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Solution

The fourth proportional to 188,421.40, 282,545.70 and 83,186.20 is: 124,741.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,421.40 : 282,545.70 = 83,186.20 : x
  2. Step 2: Convert to fraction form
    188,421.40/282,545.70 = 83,186.20/x
  3. Step 3: Cross multiply
    188,421.40x = 282,545.70 × 83,186.20
  4. Step 4: Simplify right side
    188,421.40x = 23,503,903,109.34
  5. Step 5: Solve for x
    x = 23,503,903,109.34/188,421.40
  6. Step 6: Final answer
    x = 124,741.16

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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.