Home / 105,216.76-157,888.02-38,663.62

Finding the Fourth Proportional to 105,216.76, 157,888.02 and 38,663.62

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Solution

The fourth proportional to 105,216.76, 157,888.02 and 38,663.62 is: 58,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,216.76 : 157,888.02 = 38,663.62 : x
  2. Step 2: Convert to fraction form
    105,216.76/157,888.02 = 38,663.62/x
  3. Step 3: Cross multiply
    105,216.76x = 157,888.02 × 38,663.62
  4. Step 4: Simplify right side
    105,216.76x = 6,104,522,407.83
  5. Step 5: Solve for x
    x = 6,104,522,407.83/105,216.76
  6. Step 6: Final answer
    x = 58,018.54

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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.