Home / 153,258.32-211,447.20-92,809.60

Finding the Fourth Proportional to 153,258.32, 211,447.20 and 92,809.60

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Solution

The fourth proportional to 153,258.32, 211,447.20 and 92,809.60 is: 128,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,258.32 : 211,447.20 = 92,809.60 : x
  2. Step 2: Convert to fraction form
    153,258.32/211,447.20 = 92,809.60/x
  3. Step 3: Cross multiply
    153,258.32x = 211,447.20 × 92,809.60
  4. Step 4: Simplify right side
    153,258.32x = 19,624,330,053.12
  5. Step 5: Solve for x
    x = 19,624,330,053.12/153,258.32
  6. Step 6: Final answer
    x = 128,047.40

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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.