Home / 192,205.02-288,307.53-87,021.66

Finding the Fourth Proportional to 192,205.02, 288,307.53 and 87,021.66

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Solution

The fourth proportional to 192,205.02, 288,307.53 and 87,021.66 is: 130,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,205.02 : 288,307.53 = 87,021.66 : x
  2. Step 2: Convert to fraction form
    192,205.02/288,307.53 = 87,021.66/x
  3. Step 3: Cross multiply
    192,205.02x = 288,307.53 × 87,021.66
  4. Step 4: Simplify right side
    192,205.02x = 25,088,999,851.10
  5. Step 5: Solve for x
    x = 25,088,999,851.10/192,205.02
  6. Step 6: Final answer
    x = 130,532.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.