Home / 180,629.65-249,275.93-100,055.55

Finding the Fourth Proportional to 180,629.65, 249,275.93 and 100,055.55

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Solution

The fourth proportional to 180,629.65, 249,275.93 and 100,055.55 is: 138,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,629.65 : 249,275.93 = 100,055.55 : x
  2. Step 2: Convert to fraction form
    180,629.65/249,275.93 = 100,055.55/x
  3. Step 3: Cross multiply
    180,629.65x = 249,275.93 × 100,055.55
  4. Step 4: Simplify right side
    180,629.65x = 24,941,441,275.23
  5. Step 5: Solve for x
    x = 24,941,441,275.23/180,629.65
  6. Step 6: Final answer
    x = 138,080.55

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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.