Home / 180,646.02-249,293.30-100,074.65

Finding the Fourth Proportional to 180,646.02, 249,293.30 and 100,074.65

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Solution

The fourth proportional to 180,646.02, 249,293.30 and 100,074.65 is: 138,104.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,646.02 : 249,293.30 = 100,074.65 : x
  2. Step 2: Convert to fraction form
    180,646.02/249,293.30 = 100,074.65/x
  3. Step 3: Cross multiply
    180,646.02x = 249,293.30 × 100,074.65
  4. Step 4: Simplify right side
    180,646.02x = 24,947,937,998.01
  5. Step 5: Solve for x
    x = 24,947,937,998.01/180,646.02
  6. Step 6: Final answer
    x = 138,104.00

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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.