Home / 163,962.36-245,943.59-126,577.01

Finding the Fourth Proportional to 163,962.36, 245,943.59 and 126,577.01

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Solution

The fourth proportional to 163,962.36, 245,943.59 and 126,577.01 is: 189,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,962.36 : 245,943.59 = 126,577.01 : x
  2. Step 2: Convert to fraction form
    163,962.36/245,943.59 = 126,577.01/x
  3. Step 3: Cross multiply
    163,962.36x = 245,943.59 × 126,577.01
  4. Step 4: Simplify right side
    163,962.36x = 31,130,804,232.84
  5. Step 5: Solve for x
    x = 31,130,804,232.84/163,962.36
  6. Step 6: Final answer
    x = 189,865.55

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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.