Home / 153,903.42-212,328.27-93,451.14

Finding the Fourth Proportional to 153,903.42, 212,328.27 and 93,451.14

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Solution

The fourth proportional to 153,903.42, 212,328.27 and 93,451.14 is: 128,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,903.42 : 212,328.27 = 93,451.14 : x
  2. Step 2: Convert to fraction form
    153,903.42/212,328.27 = 93,451.14/x
  3. Step 3: Cross multiply
    153,903.42x = 212,328.27 × 93,451.14
  4. Step 4: Simplify right side
    153,903.42x = 19,842,318,885.73
  5. Step 5: Solve for x
    x = 19,842,318,885.73/153,903.42
  6. Step 6: Final answer
    x = 128,927.08

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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.