Home / 153,280.58-211,545.61-92,849.45

Finding the Fourth Proportional to 153,280.58, 211,545.61 and 92,849.45

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Solution

The fourth proportional to 153,280.58, 211,545.61 and 92,849.45 is: 128,143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,280.58 : 211,545.61 = 92,849.45 : x
  2. Step 2: Convert to fraction form
    153,280.58/211,545.61 = 92,849.45/x
  3. Step 3: Cross multiply
    153,280.58x = 211,545.61 × 92,849.45
  4. Step 4: Simplify right side
    153,280.58x = 19,641,892,480.69
  5. Step 5: Solve for x
    x = 19,641,892,480.69/153,280.58
  6. Step 6: Final answer
    x = 128,143.39

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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.