Home / 130,730.35-180,425.98-73,373.08

Finding the Fourth Proportional to 130,730.35, 180,425.98 and 73,373.08

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Solution

The fourth proportional to 130,730.35, 180,425.98 and 73,373.08 is: 101,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,730.35 : 180,425.98 = 73,373.08 : x
  2. Step 2: Convert to fraction form
    130,730.35/180,425.98 = 73,373.08/x
  3. Step 3: Cross multiply
    130,730.35x = 180,425.98 × 73,373.08
  4. Step 4: Simplify right side
    130,730.35x = 13,238,410,482.95
  5. Step 5: Solve for x
    x = 13,238,410,482.95/130,730.35
  6. Step 6: Final answer
    x = 101,265.01

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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.