Home / 144,312.36-216,468.78-60,071.40

Finding the Fourth Proportional to 144,312.36, 216,468.78 and 60,071.40

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Solution

The fourth proportional to 144,312.36, 216,468.78 and 60,071.40 is: 90,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,312.36 : 216,468.78 = 60,071.40 : x
  2. Step 2: Convert to fraction form
    144,312.36/216,468.78 = 60,071.40/x
  3. Step 3: Cross multiply
    144,312.36x = 216,468.78 × 60,071.40
  4. Step 4: Simplify right side
    144,312.36x = 13,003,582,670.89
  5. Step 5: Solve for x
    x = 13,003,582,670.89/144,312.36
  6. Step 6: Final answer
    x = 90,107.20

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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.