Home / 121,316.17-167,419.83-70,329.10

Finding the Fourth Proportional to 121,316.17, 167,419.83 and 70,329.10

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Solution

The fourth proportional to 121,316.17, 167,419.83 and 70,329.10 is: 97,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,316.17 : 167,419.83 = 70,329.10 : x
  2. Step 2: Convert to fraction form
    121,316.17/167,419.83 = 70,329.10/x
  3. Step 3: Cross multiply
    121,316.17x = 167,419.83 × 70,329.10
  4. Step 4: Simplify right side
    121,316.17x = 11,774,485,966.05
  5. Step 5: Solve for x
    x = 11,774,485,966.05/121,316.17
  6. Step 6: Final answer
    x = 97,056.20

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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.