Home / 157,009.37-216,668.28-89,032.55

Finding the Fourth Proportional to 157,009.37, 216,668.28 and 89,032.55

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Solution

The fourth proportional to 157,009.37, 216,668.28 and 89,032.55 is: 122,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,009.37 : 216,668.28 = 89,032.55 : x
  2. Step 2: Convert to fraction form
    157,009.37/216,668.28 = 89,032.55/x
  3. Step 3: Cross multiply
    157,009.37x = 216,668.28 × 89,032.55
  4. Step 4: Simplify right side
    157,009.37x = 19,290,528,389.17
  5. Step 5: Solve for x
    x = 19,290,528,389.17/157,009.37
  6. Step 6: Final answer
    x = 122,862.28

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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.