Home / 180,985.47-249,755.18-99,313.48

Finding the Fourth Proportional to 180,985.47, 249,755.18 and 99,313.48

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Solution

The fourth proportional to 180,985.47, 249,755.18 and 99,313.48 is: 137,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,985.47 : 249,755.18 = 99,313.48 : x
  2. Step 2: Convert to fraction form
    180,985.47/249,755.18 = 99,313.48/x
  3. Step 3: Cross multiply
    180,985.47x = 249,755.18 × 99,313.48
  4. Step 4: Simplify right side
    180,985.47x = 24,804,055,043.22
  5. Step 5: Solve for x
    x = 24,804,055,043.22/180,985.47
  6. Step 6: Final answer
    x = 137,049.98

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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.