Home / 146,784.86-202,602.96-86,374.92

Finding the Fourth Proportional to 146,784.86, 202,602.96 and 86,374.92

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Solution

The fourth proportional to 146,784.86, 202,602.96 and 86,374.92 is: 119,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,784.86 : 202,602.96 = 86,374.92 : x
  2. Step 2: Convert to fraction form
    146,784.86/202,602.96 = 86,374.92/x
  3. Step 3: Cross multiply
    146,784.86x = 202,602.96 × 86,374.92
  4. Step 4: Simplify right side
    146,784.86x = 17,499,814,461.76
  5. Step 5: Solve for x
    x = 17,499,814,461.76/146,784.86
  6. Step 6: Final answer
    x = 119,220.85

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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.