Home / 127,187.55-175,510.04-70,594.47

Finding the Fourth Proportional to 127,187.55, 175,510.04 and 70,594.47

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Solution

The fourth proportional to 127,187.55, 175,510.04 and 70,594.47 is: 97,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,187.55 : 175,510.04 = 70,594.47 : x
  2. Step 2: Convert to fraction form
    127,187.55/175,510.04 = 70,594.47/x
  3. Step 3: Cross multiply
    127,187.55x = 175,510.04 × 70,594.47
  4. Step 4: Simplify right side
    127,187.55x = 12,390,037,900.51
  5. Step 5: Solve for x
    x = 12,390,037,900.51/127,187.55
  6. Step 6: Final answer
    x = 97,415.49

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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.