Home / 112,122.04-168,288.02-56,756.92

Finding the Fourth Proportional to 112,122.04, 168,288.02 and 56,756.92

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Solution

The fourth proportional to 112,122.04, 168,288.02 and 56,756.92 is: 85,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,122.04 : 168,288.02 = 56,756.92 : x
  2. Step 2: Convert to fraction form
    112,122.04/168,288.02 = 56,756.92/x
  3. Step 3: Cross multiply
    112,122.04x = 168,288.02 × 56,756.92
  4. Step 4: Simplify right side
    112,122.04x = 9,551,509,688.10
  5. Step 5: Solve for x
    x = 9,551,509,688.10/112,122.04
  6. Step 6: Final answer
    x = 85,188.51

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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.