Home / 112,343.36-168,533.28-42,228.32

Finding the Fourth Proportional to 112,343.36, 168,533.28 and 42,228.32

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Solution

The fourth proportional to 112,343.36, 168,533.28 and 42,228.32 is: 63,349.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,343.36 : 168,533.28 = 42,228.32 : x
  2. Step 2: Convert to fraction form
    112,343.36/168,533.28 = 42,228.32/x
  3. Step 3: Cross multiply
    112,343.36x = 168,533.28 × 42,228.32
  4. Step 4: Simplify right side
    112,343.36x = 7,116,877,278.49
  5. Step 5: Solve for x
    x = 7,116,877,278.49/112,343.36
  6. Step 6: Final answer
    x = 63,349.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.