Home / 130,855.02-180,565.58-73,482.72

Finding the Fourth Proportional to 130,855.02, 180,565.58 and 73,482.72

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Solution

The fourth proportional to 130,855.02, 180,565.58 and 73,482.72 is: 101,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,855.02 : 180,565.58 = 73,482.72 : x
  2. Step 2: Convert to fraction form
    130,855.02/180,565.58 = 73,482.72/x
  3. Step 3: Cross multiply
    130,855.02x = 180,565.58 × 73,482.72
  4. Step 4: Simplify right side
    130,855.02x = 13,268,450,140.48
  5. Step 5: Solve for x
    x = 13,268,450,140.48/130,855.02
  6. Step 6: Final answer
    x = 101,398.10

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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.