Home / 112,056.30-168,084.45-99,809.10

Finding the Fourth Proportional to 112,056.30, 168,084.45 and 99,809.10

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Solution

The fourth proportional to 112,056.30, 168,084.45 and 99,809.10 is: 149,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,056.30 : 168,084.45 = 99,809.10 : x
  2. Step 2: Convert to fraction form
    112,056.30/168,084.45 = 99,809.10/x
  3. Step 3: Cross multiply
    112,056.30x = 168,084.45 × 99,809.10
  4. Step 4: Simplify right side
    112,056.30x = 16,776,357,678.50
  5. Step 5: Solve for x
    x = 16,776,357,678.50/112,056.30
  6. Step 6: Final answer
    x = 149,713.65

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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.