Home / 235,729.02-325,312.94-128,306.01

Finding the Fourth Proportional to 235,729.02, 325,312.94 and 128,306.01

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Solution

The fourth proportional to 235,729.02, 325,312.94 and 128,306.01 is: 177,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,729.02 : 325,312.94 = 128,306.01 : x
  2. Step 2: Convert to fraction form
    235,729.02/325,312.94 = 128,306.01/x
  3. Step 3: Cross multiply
    235,729.02x = 325,312.94 × 128,306.01
  4. Step 4: Simplify right side
    235,729.02x = 41,739,605,043.57
  5. Step 5: Solve for x
    x = 41,739,605,043.57/235,729.02
  6. Step 6: Final answer
    x = 177,066.05

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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.