Home / 163,599.36-245,399.04-70,097.28

Finding the Fourth Proportional to 163,599.36, 245,399.04 and 70,097.28

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Solution

The fourth proportional to 163,599.36, 245,399.04 and 70,097.28 is: 105,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,599.36 : 245,399.04 = 70,097.28 : x
  2. Step 2: Convert to fraction form
    163,599.36/245,399.04 = 70,097.28/x
  3. Step 3: Cross multiply
    163,599.36x = 245,399.04 × 70,097.28
  4. Step 4: Simplify right side
    163,599.36x = 17,201,805,218.61
  5. Step 5: Solve for x
    x = 17,201,805,218.61/163,599.36
  6. Step 6: Final answer
    x = 105,145.92

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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.