Home / 112,551.02-155,368.23-70,130.52

Finding the Fourth Proportional to 112,551.02, 155,368.23 and 70,130.52

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Solution

The fourth proportional to 112,551.02, 155,368.23 and 70,130.52 is: 96,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,551.02 : 155,368.23 = 70,130.52 : x
  2. Step 2: Convert to fraction form
    112,551.02/155,368.23 = 70,130.52/x
  3. Step 3: Cross multiply
    112,551.02x = 155,368.23 × 70,130.52
  4. Step 4: Simplify right side
    112,551.02x = 10,896,054,761.38
  5. Step 5: Solve for x
    x = 10,896,054,761.38/112,551.02
  6. Step 6: Final answer
    x = 96,809.92

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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.