Home / 191,356.18-264,071.28-118,732.06

Finding the Fourth Proportional to 191,356.18, 264,071.28 and 118,732.06

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Solution

The fourth proportional to 191,356.18, 264,071.28 and 118,732.06 is: 163,850.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,356.18 : 264,071.28 = 118,732.06 : x
  2. Step 2: Convert to fraction form
    191,356.18/264,071.28 = 118,732.06/x
  3. Step 3: Cross multiply
    191,356.18x = 264,071.28 × 118,732.06
  4. Step 4: Simplify right side
    191,356.18x = 31,353,726,820.39
  5. Step 5: Solve for x
    x = 31,353,726,820.39/191,356.18
  6. Step 6: Final answer
    x = 163,850.09

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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.