Home / 154,312.24-212,973.60-93,871.16

Finding the Fourth Proportional to 154,312.24, 212,973.60 and 93,871.16

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Solution

The fourth proportional to 154,312.24, 212,973.60 and 93,871.16 is: 129,556.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,312.24 : 212,973.60 = 93,871.16 : x
  2. Step 2: Convert to fraction form
    154,312.24/212,973.60 = 93,871.16/x
  3. Step 3: Cross multiply
    154,312.24x = 212,973.60 × 93,871.16
  4. Step 4: Simplify right side
    154,312.24x = 19,992,078,881.38
  5. Step 5: Solve for x
    x = 19,992,078,881.38/154,312.24
  6. Step 6: Final answer
    x = 129,556.02

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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.