Home / 180,239.02-248,748-99,672.64

Finding the Fourth Proportional to 180,239.02, 248,748 and 99,672.64

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Solution

The fourth proportional to 180,239.02, 248,748 and 99,672.64 is: 137,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,239.02 : 248,748 = 99,672.64 : x
  2. Step 2: Convert to fraction form
    180,239.02/248,748 = 99,672.64/x
  3. Step 3: Cross multiply
    180,239.02x = 248,748 × 99,672.64
  4. Step 4: Simplify right side
    180,239.02x = 24,793,369,854.72
  5. Step 5: Solve for x
    x = 24,793,369,854.72/180,239.02
  6. Step 6: Final answer
    x = 137,558.28

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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.