Home / 188,541.02-260,187.59-103,663.55

Finding the Fourth Proportional to 188,541.02, 260,187.59 and 103,663.55

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Solution

The fourth proportional to 188,541.02, 260,187.59 and 103,663.55 is: 143,056.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,541.02 : 260,187.59 = 103,663.55 : x
  2. Step 2: Convert to fraction form
    188,541.02/260,187.59 = 103,663.55/x
  3. Step 3: Cross multiply
    188,541.02x = 260,187.59 × 103,663.55
  4. Step 4: Simplify right side
    188,541.02x = 26,971,968,727.03
  5. Step 5: Solve for x
    x = 26,971,968,727.03/188,541.02
  6. Step 6: Final answer
    x = 143,056.24

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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.