Home / 112,385.58-168,603.02-42,264.90

Finding the Fourth Proportional to 112,385.58, 168,603.02 and 42,264.90

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Solution

The fourth proportional to 112,385.58, 168,603.02 and 42,264.90 is: 63,406.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,385.58 : 168,603.02 = 42,264.90 : x
  2. Step 2: Convert to fraction form
    112,385.58/168,603.02 = 42,264.90/x
  3. Step 3: Cross multiply
    112,385.58x = 168,603.02 × 42,264.90
  4. Step 4: Simplify right side
    112,385.58x = 7,125,989,568.67
  5. Step 5: Solve for x
    x = 7,125,989,568.67/112,385.58
  6. Step 6: Final answer
    x = 63,406.62

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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.