Home / 118,328.19-163,313.94-69,928.06

Finding the Fourth Proportional to 118,328.19, 163,313.94 and 69,928.06

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Solution

The fourth proportional to 118,328.19, 163,313.94 and 69,928.06 is: 96,513.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,328.19 : 163,313.94 = 69,928.06 : x
  2. Step 2: Convert to fraction form
    118,328.19/163,313.94 = 69,928.06/x
  3. Step 3: Cross multiply
    118,328.19x = 163,313.94 × 69,928.06
  4. Step 4: Simplify right side
    118,328.19x = 11,420,226,995.16
  5. Step 5: Solve for x
    x = 11,420,226,995.16/118,328.19
  6. Step 6: Final answer
    x = 96,513.16

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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.