Home / 185,919.34-256,570.32-101,036.40

Finding the Fourth Proportional to 185,919.34, 256,570.32 and 101,036.40

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Solution

The fourth proportional to 185,919.34, 256,570.32 and 101,036.40 is: 139,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,919.34 : 256,570.32 = 101,036.40 : x
  2. Step 2: Convert to fraction form
    185,919.34/256,570.32 = 101,036.40/x
  3. Step 3: Cross multiply
    185,919.34x = 256,570.32 × 101,036.40
  4. Step 4: Simplify right side
    185,919.34x = 25,922,941,479.65
  5. Step 5: Solve for x
    x = 25,922,941,479.65/185,919.34
  6. Step 6: Final answer
    x = 139,431.12

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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.