Home / 159,525.04-220,154.34-87,905.02

Finding the Fourth Proportional to 159,525.04, 220,154.34 and 87,905.02

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Solution

The fourth proportional to 159,525.04, 220,154.34 and 87,905.02 is: 121,314.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,525.04 : 220,154.34 = 87,905.02 : x
  2. Step 2: Convert to fraction form
    159,525.04/220,154.34 = 87,905.02/x
  3. Step 3: Cross multiply
    159,525.04x = 220,154.34 × 87,905.02
  4. Step 4: Simplify right side
    159,525.04x = 19,352,671,660.79
  5. Step 5: Solve for x
    x = 19,352,671,660.79/159,525.04
  6. Step 6: Final answer
    x = 121,314.32

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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.