Home / 170,442.40-255,693.30-70,547.80

Finding the Fourth Proportional to 170,442.40, 255,693.30 and 70,547.80

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Solution

The fourth proportional to 170,442.40, 255,693.30 and 70,547.80 is: 105,833.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,442.40 : 255,693.30 = 70,547.80 : x
  2. Step 2: Convert to fraction form
    170,442.40/255,693.30 = 70,547.80/x
  3. Step 3: Cross multiply
    170,442.40x = 255,693.30 × 70,547.80
  4. Step 4: Simplify right side
    170,442.40x = 18,038,599,789.74
  5. Step 5: Solve for x
    x = 18,038,599,789.74/170,442.40
  6. Step 6: Final answer
    x = 105,833.99

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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.