Home / 119,567.31-163,807.93-115,083.15

Finding the Fourth Proportional to 119,567.31, 163,807.93 and 115,083.15

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Solution

The fourth proportional to 119,567.31, 163,807.93 and 115,083.15 is: 157,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,567.31 : 163,807.93 = 115,083.15 : x
  2. Step 2: Convert to fraction form
    119,567.31/163,807.93 = 115,083.15/x
  3. Step 3: Cross multiply
    119,567.31x = 163,807.93 × 115,083.15
  4. Step 4: Simplify right side
    119,567.31x = 18,851,532,291.67
  5. Step 5: Solve for x
    x = 18,851,532,291.67/119,567.31
  6. Step 6: Final answer
    x = 157,664.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.