Home / 292,635.48-438,988.38-103,056.68

Finding the Fourth Proportional to 292,635.48, 438,988.38 and 103,056.68

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Solution

The fourth proportional to 292,635.48, 438,988.38 and 103,056.68 is: 154,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,635.48 : 438,988.38 = 103,056.68 : x
  2. Step 2: Convert to fraction form
    292,635.48/438,988.38 = 103,056.68/x
  3. Step 3: Cross multiply
    292,635.48x = 438,988.38 × 103,056.68
  4. Step 4: Simplify right side
    292,635.48x = 45,240,685,347.27
  5. Step 5: Solve for x
    x = 45,240,685,347.27/292,635.48
  6. Step 6: Final answer
    x = 154,597.40

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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.