Home / 186,036.12-256,728.08-101,153.22

Finding the Fourth Proportional to 186,036.12, 256,728.08 and 101,153.22

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Solution

The fourth proportional to 186,036.12, 256,728.08 and 101,153.22 is: 139,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,036.12 : 256,728.08 = 101,153.22 : x
  2. Step 2: Convert to fraction form
    186,036.12/256,728.08 = 101,153.22/x
  3. Step 3: Cross multiply
    186,036.12x = 256,728.08 × 101,153.22
  4. Step 4: Simplify right side
    186,036.12x = 25,968,871,956.42
  5. Step 5: Solve for x
    x = 25,968,871,956.42/186,036.12
  6. Step 6: Final answer
    x = 139,590.48

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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.