Home / 157,559.65-235,334.77-142,543.60

Finding the Fourth Proportional to 157,559.65, 235,334.77 and 142,543.60

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Solution

The fourth proportional to 157,559.65, 235,334.77 and 142,543.60 is: 212,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,559.65 : 235,334.77 = 142,543.60 : x
  2. Step 2: Convert to fraction form
    157,559.65/235,334.77 = 142,543.60/x
  3. Step 3: Cross multiply
    157,559.65x = 235,334.77 × 142,543.60
  4. Step 4: Simplify right side
    157,559.65x = 33,545,464,376.28
  5. Step 5: Solve for x
    x = 33,545,464,376.28/157,559.65
  6. Step 6: Final answer
    x = 212,906.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.