Home / 170,416.90-235,164.61-93,931.78

Finding the Fourth Proportional to 170,416.90, 235,164.61 and 93,931.78

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Solution

The fourth proportional to 170,416.90, 235,164.61 and 93,931.78 is: 129,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,416.90 : 235,164.61 = 93,931.78 : x
  2. Step 2: Convert to fraction form
    170,416.90/235,164.61 = 93,931.78/x
  3. Step 3: Cross multiply
    170,416.90x = 235,164.61 × 93,931.78
  4. Step 4: Simplify right side
    170,416.90x = 22,089,429,940.65
  5. Step 5: Solve for x
    x = 22,089,429,940.65/170,416.90
  6. Step 6: Final answer
    x = 129,619.95

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1.5x scale

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.