Home / 158,172.50-237,258.75-69,426.77

Finding the Fourth Proportional to 158,172.50, 237,258.75 and 69,426.77

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Solution

The fourth proportional to 158,172.50, 237,258.75 and 69,426.77 is: 104,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,172.50 : 237,258.75 = 69,426.77 : x
  2. Step 2: Convert to fraction form
    158,172.50/237,258.75 = 69,426.77/x
  3. Step 3: Cross multiply
    158,172.50x = 237,258.75 × 69,426.77
  4. Step 4: Simplify right side
    158,172.50x = 16,472,108,666.74
  5. Step 5: Solve for x
    x = 16,472,108,666.74/158,172.50
  6. Step 6: Final answer
    x = 104,140.16

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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.