Home / 110,720.48-152,818.80-70,426.40

Finding the Fourth Proportional to 110,720.48, 152,818.80 and 70,426.40

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Solution

The fourth proportional to 110,720.48, 152,818.80 and 70,426.40 is: 97,204.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,720.48 : 152,818.80 = 70,426.40 : x
  2. Step 2: Convert to fraction form
    110,720.48/152,818.80 = 70,426.40/x
  3. Step 3: Cross multiply
    110,720.48x = 152,818.80 × 70,426.40
  4. Step 4: Simplify right side
    110,720.48x = 10,762,477,936.32
  5. Step 5: Solve for x
    x = 10,762,477,936.32/110,720.48
  6. Step 6: Final answer
    x = 97,204.04

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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.