Home / 178,332.72-245,901.47-113,699.58

Finding the Fourth Proportional to 178,332.72, 245,901.47 and 113,699.58

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Solution

The fourth proportional to 178,332.72, 245,901.47 and 113,699.58 is: 156,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,332.72 : 245,901.47 = 113,699.58 : x
  2. Step 2: Convert to fraction form
    178,332.72/245,901.47 = 113,699.58/x
  3. Step 3: Cross multiply
    178,332.72x = 245,901.47 × 113,699.58
  4. Step 4: Simplify right side
    178,332.72x = 27,958,893,291.88
  5. Step 5: Solve for x
    x = 27,958,893,291.88/178,332.72
  6. Step 6: Final answer
    x = 156,779.38

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1.5x scale

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.