Home / 236,396.24-326,235.02-128,972.16

Finding the Fourth Proportional to 236,396.24, 326,235.02 and 128,972.16

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Solution

The fourth proportional to 236,396.24, 326,235.02 and 128,972.16 is: 177,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,396.24 : 326,235.02 = 128,972.16 : x
  2. Step 2: Convert to fraction form
    236,396.24/326,235.02 = 128,972.16/x
  3. Step 3: Cross multiply
    236,396.24x = 326,235.02 × 128,972.16
  4. Step 4: Simplify right side
    236,396.24x = 42,075,235,197.04
  5. Step 5: Solve for x
    x = 42,075,235,197.04/236,396.24
  6. Step 6: Final answer
    x = 177,986.06

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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.