Home / 176,054.16-242,637.48-128,231.76

Finding the Fourth Proportional to 176,054.16, 242,637.48 and 128,231.76

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Solution

The fourth proportional to 176,054.16, 242,637.48 and 128,231.76 is: 176,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,054.16 : 242,637.48 = 128,231.76 : x
  2. Step 2: Convert to fraction form
    176,054.16/242,637.48 = 128,231.76/x
  3. Step 3: Cross multiply
    176,054.16x = 242,637.48 × 128,231.76
  4. Step 4: Simplify right side
    176,054.16x = 31,113,831,102.36
  5. Step 5: Solve for x
    x = 31,113,831,102.36/176,054.16
  6. Step 6: Final answer
    x = 176,728.75

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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.