Home / 191,030.40-286,545.60-123,670.80

Finding the Fourth Proportional to 191,030.40, 286,545.60 and 123,670.80

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Solution

The fourth proportional to 191,030.40, 286,545.60 and 123,670.80 is: 185,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,030.40 : 286,545.60 = 123,670.80 : x
  2. Step 2: Convert to fraction form
    191,030.40/286,545.60 = 123,670.80/x
  3. Step 3: Cross multiply
    191,030.40x = 286,545.60 × 123,670.80
  4. Step 4: Simplify right side
    191,030.40x = 35,437,323,588.48
  5. Step 5: Solve for x
    x = 35,437,323,588.48/191,030.40
  6. Step 6: Final answer
    x = 185,506.20

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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.