Home / 105,201.73-157,802.55-26,315.92

Finding the Fourth Proportional to 105,201.73, 157,802.55 and 26,315.92

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Solution

The fourth proportional to 105,201.73, 157,802.55 and 26,315.92 is: 39,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,201.73 : 157,802.55 = 26,315.92 : x
  2. Step 2: Convert to fraction form
    105,201.73/157,802.55 = 26,315.92/x
  3. Step 3: Cross multiply
    105,201.73x = 157,802.55 × 26,315.92
  4. Step 4: Simplify right side
    105,201.73x = 4,152,719,281.60
  5. Step 5: Solve for x
    x = 4,152,719,281.60/105,201.73
  6. Step 6: Final answer
    x = 39,473.87

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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.