Home / 194,547.80-268,430.25-118,065.20

Finding the Fourth Proportional to 194,547.80, 268,430.25 and 118,065.20

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Solution

The fourth proportional to 194,547.80, 268,430.25 and 118,065.20 is: 162,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,547.80 : 268,430.25 = 118,065.20 : x
  2. Step 2: Convert to fraction form
    194,547.80/268,430.25 = 118,065.20/x
  3. Step 3: Cross multiply
    194,547.80x = 268,430.25 × 118,065.20
  4. Step 4: Simplify right side
    194,547.80x = 31,692,270,252.89
  5. Step 5: Solve for x
    x = 31,692,270,252.89/194,547.80
  6. Step 6: Final answer
    x = 162,902.23

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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.