Home / 126,628.02-174,734.90-70,038.18

Finding the Fourth Proportional to 126,628.02, 174,734.90 and 70,038.18

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Solution

The fourth proportional to 126,628.02, 174,734.90 and 70,038.18 is: 96,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,628.02 : 174,734.90 = 70,038.18 : x
  2. Step 2: Convert to fraction form
    126,628.02/174,734.90 = 70,038.18/x
  3. Step 3: Cross multiply
    126,628.02x = 174,734.90 × 70,038.18
  4. Step 4: Simplify right side
    126,628.02x = 12,238,114,378.48
  5. Step 5: Solve for x
    x = 12,238,114,378.48/126,628.02
  6. Step 6: Final answer
    x = 96,646.18

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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.