Home / 121,275.18-181,941.90-46,394.10

Finding the Fourth Proportional to 121,275.18, 181,941.90 and 46,394.10

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Solution

The fourth proportional to 121,275.18, 181,941.90 and 46,394.10 is: 69,602.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,275.18 : 181,941.90 = 46,394.10 : x
  2. Step 2: Convert to fraction form
    121,275.18/181,941.90 = 46,394.10/x
  3. Step 3: Cross multiply
    121,275.18x = 181,941.90 × 46,394.10
  4. Step 4: Simplify right side
    121,275.18x = 8,441,030,702.79
  5. Step 5: Solve for x
    x = 8,441,030,702.79/121,275.18
  6. Step 6: Final answer
    x = 69,602.29

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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.