Home / 106,518.16-146,960.70-70,715.08

Finding the Fourth Proportional to 106,518.16, 146,960.70 and 70,715.08

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Solution

The fourth proportional to 106,518.16, 146,960.70 and 70,715.08 is: 97,564.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,518.16 : 146,960.70 = 70,715.08 : x
  2. Step 2: Convert to fraction form
    106,518.16/146,960.70 = 70,715.08/x
  3. Step 3: Cross multiply
    106,518.16x = 146,960.70 × 70,715.08
  4. Step 4: Simplify right side
    106,518.16x = 10,392,337,657.36
  5. Step 5: Solve for x
    x = 10,392,337,657.36/106,518.16
  6. Step 6: Final answer
    x = 97,564.00

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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.