Home / 170,637.55-235,526.66-99,040.64

Finding the Fourth Proportional to 170,637.55, 235,526.66 and 99,040.64

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Solution

The fourth proportional to 170,637.55, 235,526.66 and 99,040.64 is: 136,703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,637.55 : 235,526.66 = 99,040.64 : x
  2. Step 2: Convert to fraction form
    170,637.55/235,526.66 = 99,040.64/x
  3. Step 3: Cross multiply
    170,637.55x = 235,526.66 × 99,040.64
  4. Step 4: Simplify right side
    170,637.55x = 23,326,711,445.42
  5. Step 5: Solve for x
    x = 23,326,711,445.42/170,637.55
  6. Step 6: Final answer
    x = 136,703.27

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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.