Home / 238,678.47-357,967.27-70,152.95

Finding the Fourth Proportional to 238,678.47, 357,967.27 and 70,152.95

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Solution

The fourth proportional to 238,678.47, 357,967.27 and 70,152.95 is: 105,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,678.47 : 357,967.27 = 70,152.95 : x
  2. Step 2: Convert to fraction form
    238,678.47/357,967.27 = 70,152.95/x
  3. Step 3: Cross multiply
    238,678.47x = 357,967.27 × 70,152.95
  4. Step 4: Simplify right side
    238,678.47x = 25,112,461,064.25
  5. Step 5: Solve for x
    x = 25,112,461,064.25/238,678.47
  6. Step 6: Final answer
    x = 105,214.61

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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.