Home / 185,482.04-255,686.13-145,125.72

Finding the Fourth Proportional to 185,482.04, 255,686.13 and 145,125.72

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Solution

The fourth proportional to 185,482.04, 255,686.13 and 145,125.72 is: 200,055.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,482.04 : 255,686.13 = 145,125.72 : x
  2. Step 2: Convert to fraction form
    185,482.04/255,686.13 = 145,125.72/x
  3. Step 3: Cross multiply
    185,482.04x = 255,686.13 × 145,125.72
  4. Step 4: Simplify right side
    185,482.04x = 37,106,633,710.26
  5. Step 5: Solve for x
    x = 37,106,633,710.26/185,482.04
  6. Step 6: Final answer
    x = 200,055.14

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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.