Home / 170,153.99-235,113-134,626.18

Finding the Fourth Proportional to 170,153.99, 235,113 and 134,626.18

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Solution

The fourth proportional to 170,153.99, 235,113 and 134,626.18 is: 186,021.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,153.99 : 235,113 = 134,626.18 : x
  2. Step 2: Convert to fraction form
    170,153.99/235,113 = 134,626.18/x
  3. Step 3: Cross multiply
    170,153.99x = 235,113 × 134,626.18
  4. Step 4: Simplify right side
    170,153.99x = 31,652,365,058.34
  5. Step 5: Solve for x
    x = 31,652,365,058.34/170,153.99
  6. Step 6: Final answer
    x = 186,021.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.