Home / 358,051-536,961.84-118,111.20

Finding the Fourth Proportional to 358,051, 536,961.84 and 118,111.20

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Solution

The fourth proportional to 358,051, 536,961.84 and 118,111.20 is: 177,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,051 : 536,961.84 = 118,111.20 : x
  2. Step 2: Convert to fraction form
    358,051/536,961.84 = 118,111.20/x
  3. Step 3: Cross multiply
    358,051x = 536,961.84 × 118,111.20
  4. Step 4: Simplify right side
    358,051x = 63,421,207,276.61
  5. Step 5: Solve for x
    x = 63,421,207,276.61/358,051
  6. Step 6: Final answer
    x = 177,128.98

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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.