Home / 153,196.36-211,406.50-92,802.76

Finding the Fourth Proportional to 153,196.36, 211,406.50 and 92,802.76

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Solution

The fourth proportional to 153,196.36, 211,406.50 and 92,802.76 is: 128,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,196.36 : 211,406.50 = 92,802.76 : x
  2. Step 2: Convert to fraction form
    153,196.36/211,406.50 = 92,802.76/x
  3. Step 3: Cross multiply
    153,196.36x = 211,406.50 × 92,802.76
  4. Step 4: Simplify right side
    153,196.36x = 19,619,106,681.94
  5. Step 5: Solve for x
    x = 19,619,106,681.94/153,196.36
  6. Step 6: Final answer
    x = 128,065.10

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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.