Home / 193,547.75-290,363.10-67,192.00

Finding the Fourth Proportional to 193,547.75, 290,363.10 and 67,192.00

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Solution

The fourth proportional to 193,547.75, 290,363.10 and 67,192.00 is: 100,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,547.75 : 290,363.10 = 67,192.00 : x
  2. Step 2: Convert to fraction form
    193,547.75/290,363.10 = 67,192.00/x
  3. Step 3: Cross multiply
    193,547.75x = 290,363.10 × 67,192.00
  4. Step 4: Simplify right side
    193,547.75x = 19,510,076,437.32
  5. Step 5: Solve for x
    x = 19,510,076,437.32/193,547.75
  6. Step 6: Final answer
    x = 100,802.40

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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.