Home / 153,038.92-211,192.23-85,056.16

Finding the Fourth Proportional to 153,038.92, 211,192.23 and 85,056.16

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Solution

The fourth proportional to 153,038.92, 211,192.23 and 85,056.16 is: 117,376.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,038.92 : 211,192.23 = 85,056.16 : x
  2. Step 2: Convert to fraction form
    153,038.92/211,192.23 = 85,056.16/x
  3. Step 3: Cross multiply
    153,038.92x = 211,192.23 × 85,056.16
  4. Step 4: Simplify right side
    153,038.92x = 17,963,200,105.64
  5. Step 5: Solve for x
    x = 17,963,200,105.64/153,038.92
  6. Step 6: Final answer
    x = 117,376.68

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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.