Home / 130,312.36-179,848.01-72,973.52

Finding the Fourth Proportional to 130,312.36, 179,848.01 and 72,973.52

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Solution

The fourth proportional to 130,312.36, 179,848.01 and 72,973.52 is: 100,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,312.36 : 179,848.01 = 72,973.52 : x
  2. Step 2: Convert to fraction form
    130,312.36/179,848.01 = 72,973.52/x
  3. Step 3: Cross multiply
    130,312.36x = 179,848.01 × 72,973.52
  4. Step 4: Simplify right side
    130,312.36x = 13,124,142,354.70
  5. Step 5: Solve for x
    x = 13,124,142,354.70/130,312.36
  6. Step 6: Final answer
    x = 100,712.95

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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.