Home / 176,720.23-265,096.70-71,547.40

Finding the Fourth Proportional to 176,720.23, 265,096.70 and 71,547.40

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Solution

The fourth proportional to 176,720.23, 265,096.70 and 71,547.40 is: 107,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,720.23 : 265,096.70 = 71,547.40 : x
  2. Step 2: Convert to fraction form
    176,720.23/265,096.70 = 71,547.40/x
  3. Step 3: Cross multiply
    176,720.23x = 265,096.70 × 71,547.40
  4. Step 4: Simplify right side
    176,720.23x = 18,966,979,875.52
  5. Step 5: Solve for x
    x = 18,966,979,875.52/176,720.23
  6. Step 6: Final answer
    x = 107,327.72

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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.