Home / 134,777.90-202,312.65-84,914.30

Finding the Fourth Proportional to 134,777.90, 202,312.65 and 84,914.30

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Solution

The fourth proportional to 134,777.90, 202,312.65 and 84,914.30 is: 127,463.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,777.90 : 202,312.65 = 84,914.30 : x
  2. Step 2: Convert to fraction form
    134,777.90/202,312.65 = 84,914.30/x
  3. Step 3: Cross multiply
    134,777.90x = 202,312.65 × 84,914.30
  4. Step 4: Simplify right side
    134,777.90x = 17,179,237,055.90
  5. Step 5: Solve for x
    x = 17,179,237,055.90/134,777.90
  6. Step 6: Final answer
    x = 127,463.31

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1.5x scale

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.