Home / 127,386.18-175,795.65-70,796.34

Finding the Fourth Proportional to 127,386.18, 175,795.65 and 70,796.34

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Solution

The fourth proportional to 127,386.18, 175,795.65 and 70,796.34 is: 97,700.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,386.18 : 175,795.65 = 70,796.34 : x
  2. Step 2: Convert to fraction form
    127,386.18/175,795.65 = 70,796.34/x
  3. Step 3: Cross multiply
    127,386.18x = 175,795.65 × 70,796.34
  4. Step 4: Simplify right side
    127,386.18x = 12,445,688,607.92
  5. Step 5: Solve for x
    x = 12,445,688,607.92/127,386.18
  6. Step 6: Final answer
    x = 97,700.46

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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.