Home / 115,574.04-159,510.54-70,266.24

Finding the Fourth Proportional to 115,574.04, 159,510.54 and 70,266.24

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Solution

The fourth proportional to 115,574.04, 159,510.54 and 70,266.24 is: 96,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,574.04 : 159,510.54 = 70,266.24 : x
  2. Step 2: Convert to fraction form
    115,574.04/159,510.54 = 70,266.24/x
  3. Step 3: Cross multiply
    115,574.04x = 159,510.54 × 70,266.24
  4. Step 4: Simplify right side
    115,574.04x = 11,208,205,886.17
  5. Step 5: Solve for x
    x = 11,208,205,886.17/115,574.04
  6. Step 6: Final answer
    x = 96,978.58

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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.