Home / 186,406.16-279,607.88-111,547.04

Finding the Fourth Proportional to 186,406.16, 279,607.88 and 111,547.04

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Solution

The fourth proportional to 186,406.16, 279,607.88 and 111,547.04 is: 167,319.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,406.16 : 279,607.88 = 111,547.04 : x
  2. Step 2: Convert to fraction form
    186,406.16/279,607.88 = 111,547.04/x
  3. Step 3: Cross multiply
    186,406.16x = 279,607.88 × 111,547.04
  4. Step 4: Simplify right side
    186,406.16x = 31,189,431,374.68
  5. Step 5: Solve for x
    x = 31,189,431,374.68/186,406.16
  6. Step 6: Final answer
    x = 167,319.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.