Home / 130,014.48-179,419.08-70,398.48

Finding the Fourth Proportional to 130,014.48, 179,419.08 and 70,398.48

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Solution

The fourth proportional to 130,014.48, 179,419.08 and 70,398.48 is: 97,149.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,014.48 : 179,419.08 = 70,398.48 : x
  2. Step 2: Convert to fraction form
    130,014.48/179,419.08 = 70,398.48/x
  3. Step 3: Cross multiply
    130,014.48x = 179,419.08 × 70,398.48
  4. Step 4: Simplify right side
    130,014.48x = 12,630,830,515.00
  5. Step 5: Solve for x
    x = 12,630,830,515.00/130,014.48
  6. Step 6: Final answer
    x = 97,149.41

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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.