Home / 188,302.02-259,901.60-107,776.00

Finding the Fourth Proportional to 188,302.02, 259,901.60 and 107,776.00

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Solution

The fourth proportional to 188,302.02, 259,901.60 and 107,776.00 is: 148,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,302.02 : 259,901.60 = 107,776.00 : x
  2. Step 2: Convert to fraction form
    188,302.02/259,901.60 = 107,776.00/x
  3. Step 3: Cross multiply
    188,302.02x = 259,901.60 × 107,776.00
  4. Step 4: Simplify right side
    188,302.02x = 28,011,154,627.60
  5. Step 5: Solve for x
    x = 28,011,154,627.60/188,302.02
  6. Step 6: Final answer
    x = 148,756.53

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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.