Home / 170,962.35-256,362.99-99,905.51

Finding the Fourth Proportional to 170,962.35, 256,362.99 and 99,905.51

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Solution

The fourth proportional to 170,962.35, 256,362.99 and 99,905.51 is: 149,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,962.35 : 256,362.99 = 99,905.51 : x
  2. Step 2: Convert to fraction form
    170,962.35/256,362.99 = 99,905.51/x
  3. Step 3: Cross multiply
    170,962.35x = 256,362.99 × 99,905.51
  4. Step 4: Simplify right side
    170,962.35x = 25,612,075,261.07
  5. Step 5: Solve for x
    x = 25,612,075,261.07/170,962.35
  6. Step 6: Final answer
    x = 149,811.20

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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.