Home / 163,725.48-245,602.80-70,209.36

Finding the Fourth Proportional to 163,725.48, 245,602.80 and 70,209.36

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Solution

The fourth proportional to 163,725.48, 245,602.80 and 70,209.36 is: 105,320.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,725.48 : 245,602.80 = 70,209.36 : x
  2. Step 2: Convert to fraction form
    163,725.48/245,602.80 = 70,209.36/x
  3. Step 3: Cross multiply
    163,725.48x = 245,602.80 × 70,209.36
  4. Step 4: Simplify right side
    163,725.48x = 17,243,615,402.21
  5. Step 5: Solve for x
    x = 17,243,615,402.21/163,725.48
  6. Step 6: Final answer
    x = 105,320.29

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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.