Home / 153,624.15-212,005.22-85,652.19

Finding the Fourth Proportional to 153,624.15, 212,005.22 and 85,652.19

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Solution

The fourth proportional to 153,624.15, 212,005.22 and 85,652.19 is: 118,202.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,624.15 : 212,005.22 = 85,652.19 : x
  2. Step 2: Convert to fraction form
    153,624.15/212,005.22 = 85,652.19/x
  3. Step 3: Cross multiply
    153,624.15x = 212,005.22 × 85,652.19
  4. Step 4: Simplify right side
    153,624.15x = 18,158,710,956.17
  5. Step 5: Solve for x
    x = 18,158,710,956.17/153,624.15
  6. Step 6: Final answer
    x = 118,202.19

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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.