Home / 180,530.49-249,111.96-99,937.83

Finding the Fourth Proportional to 180,530.49, 249,111.96 and 99,937.83

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Solution

The fourth proportional to 180,530.49, 249,111.96 and 99,937.83 is: 137,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,530.49 : 249,111.96 = 99,937.83 : x
  2. Step 2: Convert to fraction form
    180,530.49/249,111.96 = 99,937.83/x
  3. Step 3: Cross multiply
    180,530.49x = 249,111.96 × 99,937.83
  4. Step 4: Simplify right side
    180,530.49x = 24,895,708,709.45
  5. Step 5: Solve for x
    x = 24,895,708,709.45/180,530.49
  6. Step 6: Final answer
    x = 137,903.07

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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.