Home / 156,718.08-235,075.50-38,390.04

Finding the Fourth Proportional to 156,718.08, 235,075.50 and 38,390.04

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Solution

The fourth proportional to 156,718.08, 235,075.50 and 38,390.04 is: 57,584.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,718.08 : 235,075.50 = 38,390.04 : x
  2. Step 2: Convert to fraction form
    156,718.08/235,075.50 = 38,390.04/x
  3. Step 3: Cross multiply
    156,718.08x = 235,075.50 × 38,390.04
  4. Step 4: Simplify right side
    156,718.08x = 9,024,557,848.02
  5. Step 5: Solve for x
    x = 9,024,557,848.02/156,718.08
  6. Step 6: Final answer
    x = 57,584.66

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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.